Saga of the "Old Vic" - Page 25 - AVS Forum
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post #721 of 1151 Old 01-23-2011, 05:56 PM
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Quote:
Originally Posted by scl23enn4m3 View Post

...!!!

Next step is to start a screen frame/masking company?

I'll gladly volunteer to beta test .

^^^^me too!!

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post #722 of 1151 Old 01-24-2011, 07:25 AM
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Looking great Moggie! One question - do you need to attach the vertical mask bars to the slides/guides with more than one screw? I'd imagine the top bungee would pull with a different force than the bottom bungee (or vice-versa) over time, causing the bar to essentially tilt and bind from one slide moving quicker than the other. If you put two screws in the top guide, and two on the bottom, they'd never be able to pivot on that attachment, and should essentially always be 90* between the guide and the vertical "lead" masking bar.
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post #723 of 1151 Old 01-24-2011, 07:43 AM - Thread Starter
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Quote:
Originally Posted by scl23enn4m3 View Post

...!!!

Next step is to start a screen frame/masking company?

I'll gladly volunteer to beta test .

Nah, that's been done already . There is, it would seem, a market for a good retrofit masking system. If I had attached the blind rollers to the vertical front frame member instead of the backing frame it would be nicely separate from the screen itself. Hmmm.


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Originally Posted by networkcrasher View Post

Looking great Moggie! One question - do you need to attach the vertical mask bars to the slides/guides with more than one screw? I'd imagine the top bungee would pull with a different force than the bottom bungee (or vice-versa) over time, causing the bar to essentially tilt and bind from one slide moving quicker than the other. If you put two screws in the top guide, and two on the bottom, they'd never be able to pivot on that attachment, and should essentially always be 90* between the guide and the vertical "lead" masking bar.

That's a great question. At present I have only a single attachment hole (although I could add a second if necessary). The reason was so I could allow some play in the lower attachment to prevent the sliders from binding. To your point, I will be fitting no stretch strips to the top and bottom of the masking cloth. The idea is that this will ensure that the material is payed out equally top and bottom and thus avoid any skewing. I hope this will work because the basic premise of the design is to reverse the normal mechanism and control the amount of fabric let out rather than the amount pulled out. Fingers crossed.

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post #724 of 1151 Old 01-24-2011, 08:45 AM
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post #725 of 1151 Old 01-24-2011, 02:10 PM
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Quote:
Originally Posted by Moggie View Post

To your point, I will be fitting no stretch strips to the top and bottom of the masking cloth. The idea is that this will ensure that the material is payed out equally top and bottom and thus avoid any skewing. I hope this will work because the basic premise of the design is to reverse the normal mechanism and control the amount of fabric let out rather than the amount pulled out. Fingers crossed.

That will do it! I was worried about the cloth stretching, causing the skew. If the lead bar is fixed, and the fabric can't stretch, then there shouldn't be any possible way for the lead bar to skew. Looking forward to great results!
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post #726 of 1151 Old 01-30-2011, 05:53 PM - Thread Starter
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It worked!!! Didn't have time to program the motors or hang the screen, but it worked. I'm so frigging happy I'll take some video of the mechanism when the screen is on the wall. That is if it still works when vertical



Just in case this inspires anyone else to build one here are the final details.
I added up all the receipts, total cost was $2123. A little over my original estimate but still about 1/8 of the cost of a commercial system.

Here is some detail on the leading edge of the masks. The picture show how the bungee cord was attached to the slider with two grub screws. Note that the lower hole was elongated to prevent binding if the horizontal frame wasn't perfectly parallel. I also drilled a couple of holes in the flat section so I could sew the fabric tight and flat.



The masks were made from GOM FR701 with a 2 1/2" pocket on the leading edge sewed from felido velvet. The holes in the aluminum allowed me to keep the fabric tight at the ends. This isn't a very good picture but it shows the no stretch edging strip made from iron on hemming tape (single sided) on the back side of the panel. This has the added advantage of stopping the GOM from fraying.



Once assembled the masked were fed in from the ends as I tightened the bungee at the opposite end (the bungee simply exits through a hole and is tied off with a knot). I made room for up to 3/16" bungee but in the end the 1/8" stuff seems to provide adequate pull. If it starts to sag over time I'll upgrade it.



Once the fabric was squared up and stuck to the roller with double sided tape the two side pieces were installed.



Hopefully my RS50 will arrive soon so I can show some screen shots... what do you to reckon Jason?

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post #727 of 1151 Old 01-30-2011, 05:55 PM
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Can I place an order please?

Nice work!

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post #728 of 1151 Old 01-30-2011, 06:32 PM
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Dang. I want video of that in action when you work out the kinks (and get the PJ).
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post #729 of 1151 Old 01-30-2011, 06:42 PM
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Beautiful work, as usual. Now that the screen is mostly finished what's left for you to do?
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post #730 of 1151 Old 01-30-2011, 06:42 PM
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Great job Moggie you should be ecstatic!

Was there extra things that you needed to buy that pushed the budget over the edge? Or were things just more expensive that you anticipated?

Cheers,
Simon
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post #731 of 1151 Old 01-30-2011, 07:42 PM - Thread Starter
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Thanks for all the feedback.

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Originally Posted by tbraden32 View Post

Can I place an order please?

I'd have to charge you MSRP

Quote:
Originally Posted by dc_pilgrim View Post

Dang. I want video of that in action when you work out the kinks (and get the PJ).

Will do. I had hoped to at least hang it this weekend but things always take longer...

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Originally Posted by Seegs108 View Post

Beautiful work, as usual. Now that the screen is mostly finished what's left for you to do?

Inside theater: build columns, finish hushbox, top for rear bar
Outside: Sliding hidden entrance, some video jukebox strategy

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Great job Moggie you should be ecstatic!

Was there extra things that you needed to buy that pushed the budget over the edge? Or were things just more expensive that you anticipated?

I forgot about the velvet in my original list plus lots of little bits of hardware, oh and I needed replacement aluminum pieces for the mask because I countersunk the first set on the wrong side. If you look very carefully at some of the early pics you might see.

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post #732 of 1151 Old 01-31-2011, 06:31 AM
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Stunning! Looks great Moggie. You should be proud of your fine work.
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post #733 of 1151 Old 02-01-2011, 09:43 PM - Thread Starter
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Originally Posted by oman321 View Post

Stunning! Looks great Moggie. You should be proud of your fine work.

Thanks! Guess what .... my JVC RS50 ships on Thursday!!

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post #734 of 1151 Old 02-01-2011, 11:34 PM
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Thanks Moggie for taking the time to share all this info. I've take a few cues from you for my HT. One of these days I'll find the time to start a build thread, hopefully before I finish it.

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post #735 of 1151 Old 02-06-2011, 05:18 AM
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Quote:
Originally Posted by Moggie View Post

It worked!!!


Design/concept: 10
Execution/finish: 10
Speed of execution: 2.51 (The Canadian judge was feeling generous this week)

To coin Oman's Phrase... "Freaking Awesome Dude"

I am so glad Im not building a screen/masking system, I'd be embarrased to post it on the forum in light of your accomplishment.

Hope the new job is working out good for ya, and congratulations on the PJ, I've been really happy with the JVC just pointing it at the wall in my office.

Really looking foward to the "Hidden Entrance". I'm working through something similar to the EQ room from the theater but it's making my brain hurt.

Brad

P.S. Happy 2 year anniversary!!!!!

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post #736 of 1151 Old 02-10-2011, 05:39 PM - Thread Starter
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Happy 2 year anniversary!!!!!

Looking forward to pointing out your 2 year anniversary, mate!! In fact I've marked it on my calendar

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post #737 of 1151 Old 02-10-2011, 05:50 PM
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Sounds like a Valentine's quarrel to me...

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post #738 of 1151 Old 02-11-2011, 04:07 AM
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Bahahaha!! Better Mark the 3 Year while your at it.....

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post #739 of 1151 Old 02-13-2011, 07:08 PM
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Alright Paul what the hell is going on down !

If I had it to do all over again, I'd still hit that shot.
Ht Build

Poker table and bar
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post #740 of 1151 Old 02-14-2011, 08:24 AM
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Very nice!!!
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post #741 of 1151 Old 02-14-2011, 05:13 PM - Thread Starter
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Alright Paul what the hell is going on down !
Do you mean I've been a little quieter or slower than usual? I wish I could say I've been secretively working on something really cool but the truth is that I'm ramping up on a new job and my free time is way less than it used to be. Besides, AVS STILL haven't shipped my projector...

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post #742 of 1151 Old 02-15-2011, 06:56 AM
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Ha I guess my post didn't make much sense! But yep that was what I was wondering. Seems yours and my situations have swapped you no time me bunch of time

Good luck with the new gig!

If I had it to do all over again, I'd still hit that shot.
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post #743 of 1151 Old 02-25-2011, 06:20 PM - Thread Starter
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Well, I've just about given up waiting for my projector

I had hoped to share some glorious screen shots, instead here is an amateurish VIDEO of the automated masking system in action. I have my graphic eye in what I call "music scene".

And a couple of static shots in case you don't want to wait for the video download:



I'm going to cover the screen wall around the screen this weekend.

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post #744 of 1151 Old 02-25-2011, 06:25 PM
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Quote:
Originally Posted by Moggie View Post

I had hoped to share some glorious screen shots, instead here is an amateurish VIDEO of the automated masking system in action.

NICE! Nice, nice, nice. So I notice your IB uses 6 woofers or are the last 2 mounted outside the manifold?
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post #745 of 1151 Old 02-25-2011, 06:34 PM - Thread Starter
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NICE! Nice, nice, nice. So I notice your IB uses 6 woofers or are the last 2 mounted outside the manifold?

The IB's use 4 18" Fi drivers. I also have the two Klipsch subs in the center of the rear wall to help control the bass.

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post #746 of 1151 Old 02-25-2011, 06:56 PM
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The IB's use 4 18" Fi drivers. I also have the two Klipsch subs in the center of the rear wall to help control the bass.

IC. The ones on the top of the manifolds were optical "delusions".
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post #747 of 1151 Old 02-25-2011, 07:39 PM
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Absolutely stunning! Go watch a movie...oops, no pj...sorry!
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post #748 of 1151 Old 02-25-2011, 08:04 PM
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I had this playing in my head as I watched your video (and a tear of joy running down my cheek).

http://www.youtube.com/watch?v=VxLacN2Dp6A
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post #749 of 1151 Old 02-25-2011, 08:16 PM - Thread Starter
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Quote:
Originally Posted by erkq View Post

IC. The ones on the top of the manifolds were optical "delusions".

Hey, what have you been drinking? I want some...

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Absolutely stunning! Go watch a movie...oops, no pj...sorry!

Grrrr..

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I had this playing in my head as I watched your video (and a tear of joy running down my cheek).

That may well be possible soon - I've just set up my NAS and DUNE streaming server and ripped (backed up) a few of my old DVDs. Guess what, 2001 Space Odyssey was one!

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post #750 of 1151 Old 02-25-2011, 11:10 PM
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Congratulations moggie!!!!!! It's is absolutely stunning!

Sorry to hear the projector hasn't shown up yet
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